Hourly Weather | Today Sunday, December 14, 2025
Tempe, Arizona
7 AM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 62%
Wind: 6 mph
UV Index: 0
8 AM
Cloudy Weather
54°
Feels Like 54°
0
Humidity: 49%
Wind: 6 mph
UV Index: 1
9 AM
Cloudy Weather
59°
Feels Like 61°
0
Humidity: 38%
Wind: 6 mph
UV Index: 2
10 AM
Cloudy Weather
64°
Feels Like 66°
0
Humidity: 29%
Wind: 7 mph
UV Index: 2
11 AM
Cloudy Weather
72°
Feels Like 73°
0
Humidity: 23%
Wind: 7 mph
UV Index: 3
12 PM
Cloudy Weather
75°
Feels Like 77°
0
Humidity: 20%
Wind: 8 mph
UV Index: 3
1 PM
Cloudy Weather
79°
Feels Like 79°
0
Humidity: 18%
Wind: 8 mph
UV Index: 3
2 PM
Cloudy Weather
81°
Feels Like 81°
0
Humidity: 17%
Wind: 9 mph
UV Index: 2
3 PM
Cloudy Weather
82°
Feels Like 82°
0
Humidity: 16%
Wind: 8 mph
UV Index: 1
4 PM
Cloudy Weather
81°
Feels Like 79°
0
Humidity: 17%
Wind: 8 mph
UV Index: 1
5 PM
Cloudy Weather
79°
Feels Like 75°
0
Humidity: 19%
Wind: 7 mph
UV Index: 0
6 PM
Cloudy Night
75°
Feels Like 72°
0
Humidity: 22%
Wind: 7 mph
UV Index: 0
7 PM
Cloudy Night
72°
Feels Like 70°
0
Humidity: 26%
Wind: 7 mph
UV Index: 0
8 PM
Cloudy Night
70°
Feels Like 66°
0
Humidity: 29%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Night
66°
Feels Like 63°
0
Humidity: 32%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 34%
Wind: 7 mph
UV Index: 0
11 PM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 36%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

7 AM
88 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 29.89 µg/m³
  • PM10: 57.26 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 AM
88 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 29.68 µg/m³
  • PM10: 56.47 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 AM
83 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 27.49 µg/m³
  • PM10: 53.11 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 AM
78 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 25.32 µg/m³
  • PM10: 49.99 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 AM
77 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 24.62 µg/m³
  • PM10: 48.68 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

12 PM
77 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 24.47 µg/m³
  • PM10: 47.99 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

1 PM
76 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 24.12 µg/m³
  • PM10: 46.64 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 PM
74 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 23.23 µg/m³
  • PM10: 44.61 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
72 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 22.45 µg/m³
  • PM10: 43.25 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
72 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 22.17 µg/m³
  • PM10: 42.48 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
70 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.29 µg/m³
  • PM10: 41.08 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
66 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.61 µg/m³
  • PM10: 38.29 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
63 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.19 µg/m³
  • PM10: 36.24 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
61 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.22 µg/m³
  • PM10: 35.34 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
59 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 16.37 µg/m³
  • PM10: 34.67 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.63 µg/m³
  • PM10: 34.24 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
56 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.93 µg/m³
  • PM10: 33.72 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.